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Diethyl chlorothiophosphate

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Origin: China

Cas No: 2524-04-1

Specification: 99%min

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Supply Ability: 100 mt/month

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  • Products Specification
  • Product Description

  • Property

    CAS No.: 2524-04-1 Formula: C4H10ClO2PS Molecular Weight: 188.61300

    Description

    Diethyl Chlorothiophosphate is used in the preparation of various organophosporus insecticide including Flupyrazofos and Chlorpyrifos.

    Basic Info

    Chemical Name Diethyl chlorothiophosphate
    Synonyms

    DECTP;
    diethylphosphorochloridothioate;
    Diethyl chlrothiophosphate;
    O,O-diethyl phosphorochloridothioate;
    Phosphorochloridothioic acid, O,O-diethyl ester;
    ETHYL PCT;
    Ethyl PCT,refined;
    diethyl thiophosphoryl chloride;
    U.N. 2751;
    DEPCT;
    Diethylchlorthiofosfat;
    O,O-diethyl phosphorochloridothionate;
    O,O-diethyl chlorothiophosphate;
    O,O-diethyl chlorothionophosphate;
    ETHYL INTERMEDIARY EP-1;

    CAS No. 2524-04-1
    Molecular Formula C4H10ClO2PS
    Molecular Weight 188.61300
    PSA 60.36000
    LogP 3.17330

    Properties

    Appearance & Physical State Colorless clear liquid.
    Density 1.2
    Boiling Point 96-98ºC (25 mmHg)
    Melting Point -75ºC
    Flash Point 92ºC
    Refractive Index 1.471-1.473
    Water Solubility hydrolyzes, immiscible
    Stability Stable under normal temperatures and pressures.
    Storage Condition Keep away from sources of ignition. Store in a cool, dry place. Store in a tightly closed container. Corrosives area.
    Vapor Pressure 1.4 mm Hg ( 50 °C)

    Safety Info

    RTECS TD1780000
    Hazard Class 8
    Safety Statements S28-S36/37/39-S45
    HS Code 2920190090
    Packing Group II
    WGK Germany 3
    RIDADR UN 2751
    Risk Statements R21/22; R26; R34
    Hazard Codes T+

    Synthesis Route

    Diethylphosphorodithioate→1,3-dithiolan-2-imine+Diethyl chlorothiophosphate
    2-CHLOROETHYL THIOCYANATE+Diethylphosphorodithioate→1,3-dithiolan-2-imine+Diethyl chlorothiophosphate
    Ethanol→dichloro-ethoxy-sulfanylidene-λ<sup>5</sup>-phosphane+o,o,o-Triethylphosphorothioate

    Precursor

    Ethanol
    diethoxyoxophosphoranesulfenyl chloride
    Diethylphosphorodithioate
    diethoxy(sulfanylidene)phosphanium

    Downstream Product

    diethoxyphosphinothioyl (2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-trityloxyiminoacetate
    diazinon
    coumaphos
    diethoxy-(4-nitrophenyl)sulfanyl-sulfanylidene-λ<sup>5</sup>-phosphane

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